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PVC external lubricant

A technology of external lubricant and mass percentage, applied in the field of plastic processing, can solve the problems of single product performance and so on

Inactive Publication Date: 2015-12-16
苏州乔布注塑工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the product structure of PVC external lubricant is relatively simple, and the product performance is single

Method used

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Examples

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Embodiment Construction

[0010] Below in conjunction with the examples, the specific implementation of the present invention will be further described in detail. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0011] A PVC external lubricant described in a preferred embodiment of the present invention comprises the following components in mass percentage: 55% octadecanoic acid, 38.5% dibutyl phthalate, 0.5% phosphoric acid, white oil 1%, higher fatty acid barium 5%.

[0012] Metal soap: higher fatty acid barium is added to the lubricant components, which not only plays a lubricating role, but also improves its thermal stability. The lubricant has good lubricity and dispersibility, which ensures the plasticizing effect and improves the Productivity.

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Abstract

The invention relates to the field of plastic processing and especially relates to a PVC external lubricant. The PVC external lubricant comprises, by mass, 55% of stearic acid, 38.5% of dibutyl phthalate, 0.5% of phosphoric acid, 1% of white oil and 5% of higher fatty acid barium salt. The PVC external lubricant has excellent lubrication performances, uses a stabilizing agent component and has better thermostability.

Description

technical field [0001] The invention relates to the field of plastic processing, in particular to a PVC external lubricant. Background technique [0002] PVC resin is formed by free radical polymerization of vinyl chloride. PVC resin can be processed into various plastic products, widely used in various films, coating products, foam products and so on. With the development of my country's economy, the scale of PVC products industry is constantly expanding, and the output is increasing year by year. [0003] During the PVC molding process, there is interface friction between PVC and the mechanical surface of the processing equipment, and an external lubricant needs to be added to reduce the friction. The external lubricant has little compatibility with the polymer, and it is easy to transfer from the interior of the polymer to the surface during processing, forming a lubricant molecular layer at the interface. Due to the low cohesive energy of the lubricant, it can reduce t...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08K13/02C08K5/09C08K5/12C08K3/32C08K5/01C08K5/098
Inventor 程树年
Owner 苏州乔布注塑工业有限公司
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